445343929 has 2 divisors, whose sum is σ = 445343930. Its totient is φ = 445343928.

The previous prime is 445343911. The next prime is 445343933. The reversal of 445343929 is 929343544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 443018304 + 2325625 = 21048^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 445343929 - 2¹⁷ = 445212857 is a prime.

It is not a weakly prime, because it can be changed into another prime (445343939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222671964 + 222671965.

It is an arithmetic number, because the mean of its divisors is an integer number (222671965).

Almost surely, 2^445343929 is an apocalyptic number.

It is an amenable number.

445343929 is a deficient number, since it is larger than the sum of its proper divisors (1).

445343929 is an equidigital number, since it uses as much as digits as its factorization.

445343929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 43.

The square root of 445343929 is about 21103.1734343439. The cubic root of 445343929 is about 763.6573078409.

The spelling of 445343929 in words is "four hundred forty-five million, three hundred forty-three thousand, nine hundred twenty-nine".